56057325765566 has 16 divisors (see below), whose sum is σ = 84200232167424. Its totient is φ = 27990591479544.

The previous prime is 56057325765541. The next prime is 56057325765577. The reversal of 56057325765566 is 66556752375065.

It is a junction number, because it is equal to n+sod(n) for n = 56057325765496 and 56057325765505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9055475 + ... + 13932561.

It is an arithmetic number, because the mean of its divisors is an integer number (5262514510464).

Almost surely, 2^{56057325765566} is an apocalyptic number.

56057325765566 is a deficient number, since it is larger than the sum of its proper divisors (28142906401858).

56057325765566 is a wasteful number, since it uses less digits than its factorization.

56057325765566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884895.

The product of its (nonzero) digits is 1190700000, while the sum is 68.

The spelling of 56057325765566 in words is "fifty-six trillion, fifty-seven billion, three hundred twenty-five million, seven hundred sixty-five thousand, five hundred sixty-six".